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      Neural Correlates of Perception During Natural Scene Viewing

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      https://www.riss.kr/link?id=T11347065

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      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

      In this study, we investigated the feasibility of using independent component analysis (ICA) for the isolation of cortical activation associated with affective subject perception of preference during natural, continuous, audiovisual stimuli, and examined the existence of group-trend within that cortical activation. We hypothesized that there would be statistical correlation between the trends of blood oxygen level dependent (BOLD) signals and individual subject perceptions. We also hypothesized that the identified neural substrates would reveal the group-level spatio-temporal features of the neural correlates of subjective perception induced by natural, continuous, audiovisual stimuli. We found both our hypotheses to be true, with separate independent components identifying unique functionally connected areas of activation for the affective subject percepts of preference.
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      In this study, we investigated the feasibility of using independent component analysis (ICA) for the isolation of cortical activation associated with affective subject perception of preference during natural, continuous, audiovisual stimuli, and exami...

      In this study, we investigated the feasibility of using independent component analysis (ICA) for the isolation of cortical activation associated with affective subject perception of preference during natural, continuous, audiovisual stimuli, and examined the existence of group-trend within that cortical activation. We hypothesized that there would be statistical correlation between the trends of blood oxygen level dependent (BOLD) signals and individual subject perceptions. We also hypothesized that the identified neural substrates would reveal the group-level spatio-temporal features of the neural correlates of subjective perception induced by natural, continuous, audiovisual stimuli. We found both our hypotheses to be true, with separate independent components identifying unique functionally connected areas of activation for the affective subject percepts of preference.

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      목차 (Table of Contents)

      • ABSTRACT = 1
      • CONTENTS = 2
      • List of Figures = 4
      • List of Tables = 5
      • I. INTRODUCTION = 6
      • ABSTRACT = 1
      • CONTENTS = 2
      • List of Figures = 4
      • List of Tables = 5
      • I. INTRODUCTION = 6
      • A. Background = 7
      • B. Natural Scene Stimuli = 8
      • C. Data Analysis = 9
      • D. Perception Measurement = 10
      • E. Significance = 11
      • II. METHODS = 13
      • A. Subjects = 13
      • B. Materials = 13
      • C. Stimuli = 14
      • D. Subjective Ratings = 14
      • E. Image Acquisition = 15
      • F. Pre-Processing and Analysis of fMRI Data = 16
      • III. EXPERIMENTAL RESULTS = 18
      • IV. DISCUSSION = 24
      • A. Inter-subject Brain Activity Synchronization = 24
      • B. Inter-subject Preference Response = 25
      • C. Activation Area Preference Interpretation = 26
      • D. Functional Connectivity Interpretation = 29
      • E. Stimuli Reverse Correlation = 31
      • F. Humor Query = 32
      • G. Limitations and Future Studies = 33
      • ACKNOWLEDGMENT = 35
      • REFERENCES = 36
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